Kodama's Might

Target creature gets +2/+2 until end of turn.
Splice onto Arcane {G} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Horde of Notions

Vigilance, trample, haste
{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Goblin Diplomats

{T}: Each creature attacks this turn if able.

Perilous Myr

When Perilous Myr dies, it deals 2 damage to any target.

Boar Umbra

Enchant creature
Enchanted creature gets +3/+3.
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Redwood Treefolk

Nausea

All creatures get -1/-1 until end of turn.

Mountain

Joven's Ferrets

Whenever Joven's Ferrets attacks, it gets +0/+2 until end of turn.
At end of combat, tap all creatures that blocked Joven's Ferrets this turn. They don't untap during their controller's next untap step.

Slippery Bogle

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Multani's Harmony

Enchant creature
Enchanted creature has "{T}: Add one mana of any color."

Swamp Mosquito

Flying
Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

Bottle Gnomes

Sacrifice Bottle Gnomes: You gain 3 life.

Refraction Trap

If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell's mana cost.
Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target.

Goblin Snowman

Whenever Goblin Snowman blocks, prevent all combat damage that would be dealt to and dealt by it this turn.
{T}: Goblin Snowman deals 1 damage to target creature it's blocking.

Forest

Patchwork Gnomes

Discard a card: Regenerate Patchwork Gnomes. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Goblin Ski Patrol

{1}{R}: Goblin Ski Patrol gets +2/+0 and gains flying. Its controller sacrifices it at the beginning of the next end step. Activate only once and only if you control a snow Mountain.

Island

Bouncing Beebles

Bouncing Beebles can't be blocked as long as defending player controls an artifact.

Infernal Spawn of Infernal Spawn of Evil

Flying, first strike, trample
Once each turn, while you're searching your library, you may pay {1}{B}, reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming, too!" If you do, Infernal Spawn of Infernal Spawn of Evil deals 2 damage to a player of your choice.

Plains

Killer Bees

Flying
{G}: Killer Bees gets +1/+1 until end of turn.

Curse of the Swine

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Totally Lost

Put target nonland permanent on top of its owner's library.

Silkbind Faerie

Flying
{1}{W/U}, {Q}: Tap target creature. ({Q} is the untap symbol.)

Giant Albatross

Flying
When Giant Albatross dies, you may pay {1}{U}. If you do, for each creature that dealt damage to Giant Albatross this turn, destroy that creature unless its controller pays 2 life. A creature destroyed this way can't be regenerated.

Shinewend

Flying
Shinewend enters with a +1/+1 counter on it.
{1}{W}, Remove a +1/+1 counter from Shinewend: Destroy target enchantment.

Goblin Striker

Clockwork Gnomes

{3}, {T}: Regenerate target artifact creature.

Oxidda Daredevil

Sacrifice an artifact: Oxidda Daredevil gains haste until end of turn.

Monstrous Growth

Target creature gets +4/+4 until end of turn.

Bearscape

{1}{G}, Exile two cards from your graveyard: Create a 2/2 green Bear creature token.

Waxmane Baku

Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Waxmane Baku.
{1}, Remove X ki counters from Waxmane Baku: Tap X target creatures.

Giant Tortoise

Giant Tortoise gets +0/+3 as long as it's untapped.

Fortunate Few

Choose a nonland permanent you don't control, then each other player chooses a nonland permanent they don't control that hasn't been chosen this way. Destroy all other nonland permanents.

Scalding Salamander

Whenever Scalding Salamander attacks, you may have it deal 1 damage to each creature without flying defending player controls.

Wild Ricochet

You may choose new targets for target instant or sorcery spell. Then copy that spell. You may choose new targets for the copy.

Ticking Gnomes

Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Sacrifice Ticking Gnomes: It deals 1 damage to any target.

Turn to Frog

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Bear Cub

Segovian Leviathan

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

Spore Frog

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

Gilder Bairn

{2}{G/U}, {Q}: Double the number of each kind of counter on target permanent. ({Q} is the untap symbol.)

Horrible Hordes

Rampage 1 (Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it beyond the first.)

Uktabi Orangutan

When Uktabi Orangutan enters, destroy target artifact.

Zodiac Dog

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Bursting Beebles

Bursting Beebles can't be blocked as long as defending player controls two or more nonland permanents that share an artist.

Jhoira's Timebug

{T}: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

Pygmy Pyrosaur

Pygmy Pyrosaur can't block.
{R}: Pygmy Pyrosaur gets +1/+0 until end of turn.

Kaboom!

Choose any number of target players or planeswalkers. For each of them, reveal cards from the top of your library until you reveal a nonland card, Kaboom! deals damage equal to that card's mana value to that player or planeswalker, then you put the revealed cards on the bottom of your library in any order.

Turtleshell Changeling

Changeling (This card is every creature type.)
{1}{U}: Switch Turtleshell Changeling's power and toughness until end of turn.

Plaxcaster Frogling

Graft 3 (This creature enters with three +1/+1 counters on it. Whenever another creature enters, you may move a +1/+1 counter from this creature onto it.)
{2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.)

Aven Warcraft

Creatures you control get +0/+2 until end of turn.
Threshold — If seven or more cards are in your graveyard, choose a color. Creatures you control also gain protection from the chosen color until end of turn.

Woolly Razorback

Woolly Razorback enters with three ice counters on it.
As long as Woolly Razorback has an ice counter on it, prevent all combat damage it would deal and it has defender.
Whenever Woolly Razorback blocks, remove an ice counter from it.

Brass Man

Brass Man doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Man.

Switcheroo

Exchange control of two target creatures.

Hyalopterous Lemure

{0}: Hyalopterous Lemure gets -1/-0 and gains flying until end of turn.

Myr Quadropod

{3}: Switch Myr Quadropod's power and toughness until end of turn.

Bubbling Beebles

Bubbling Beebles can't be blocked as long as defending player controls an enchantment.

Lava Dart

Lava Dart deals 1 damage to any target.
Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Swamp

Sanctuary Cat

Giant Caterpillar

{G}, Sacrifice Giant Caterpillar: Create a 1/1 green Insect creature token with flying named Butterfly at the beginning of the next end step.

Gamekeeper

When Gamekeeper dies, you may exile it. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and put all other cards revealed this way into your graveyard.